619e2e095f
Convert `assertTrue(a == b)` to `assertEqual(a, b)` to produce better failure messages. These were mostly done via regex search & replace, with some manual fixes. Differential Revision: https://reviews.llvm.org/D95813
82 lines
2.9 KiB
Python
82 lines
2.9 KiB
Python
"""
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Test specific to MIPS
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"""
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from __future__ import print_function
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import re
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import unittest2
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class AvoidBreakpointInDelaySlotAPITestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipIf(archs=no_match(re.compile('mips*')))
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def test(self):
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self.build()
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exe = self.getBuildArtifact("a.out")
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self.expect("file " + exe,
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patterns=["Current executable set to .*a.out.*"])
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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breakpoint = target.BreakpointCreateByName('main', 'a.out')
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self.assertTrue(breakpoint and
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breakpoint.GetNumLocations() == 1,
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VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple(
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None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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list = target.FindFunctions('foo', lldb.eFunctionNameTypeAuto)
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self.assertEqual(list.GetSize(), 1)
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sc = list.GetContextAtIndex(0)
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self.assertEqual(sc.GetSymbol().GetName(), "foo")
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function = sc.GetFunction()
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self.assertTrue(function)
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self.function(function, target)
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def function(self, function, target):
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"""Iterate over instructions in function and place a breakpoint on delay slot instruction"""
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# Get the list of all instructions in the function
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insts = function.GetInstructions(target)
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print(insts)
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i = 0
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for inst in insts:
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if (inst.HasDelaySlot()):
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# Remember the address of branch instruction.
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branchinstaddress = inst.GetAddress().GetLoadAddress(target)
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# Get next instruction i.e delay slot instruction.
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delayinst = insts.GetInstructionAtIndex(i + 1)
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delayinstaddr = delayinst.GetAddress().GetLoadAddress(target)
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# Set breakpoint on delay slot instruction
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breakpoint = target.BreakpointCreateByAddress(delayinstaddr)
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# Verify the breakpoint.
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self.assertTrue(breakpoint and
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breakpoint.GetNumLocations() == 1,
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VALID_BREAKPOINT)
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# Get the location from breakpoint
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location = breakpoint.GetLocationAtIndex(0)
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# Get the address where breakpoint is actually set.
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bpaddr = location.GetLoadAddress()
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# Breakpoint address should be adjusted to the address of
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# branch instruction.
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self.assertEqual(branchinstaddress, bpaddr)
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i += 1
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else:
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i += 1
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